they come from places with lax gun control regulation. >> general hayden, i'm going to bring you into another discussion. there was also talk this week we might see fallout from boston in terms of immigration reform. in fact, some leading conservatives in congress, including charles grassley, the top republican on the senate judiciary committee, said, let's slow down on immigration reform. let's focus more on who we let into this country and possible security threats. do you think that's a legitimate point? >> the british have a phrase they use after a terrorist attack, which is keep calm, carry on. i think that might apply to this legislation as well. we don't want to be stupid. we want to be careful. but i think immigration reform is a necessary thing. let me talk from a security point of view. immigration to this country contributes to national health and contributes to our national security. from a very narrow perspective, as the former director of the central intelligence agency, we're required, not just by law, to look like america. by admission, we're required to look like the